Package: opam-installer Version: 2.0.0-1 Severity: serious Unpacking opam-installer (2.0.0-1) ... dpkg: error processing archive /tmp/apt-dpkg-install-KfKgI6/4-opam-installer_2.0.0-1_amd64.deb (--unpack): trying to overwrite '/usr/share/man/man1/opam-installer.1.gz', which is also in package opam-docs 1.2.2-7